<!DOCTYPE html>
<html>
<head>
	<title></title>
</head>
<body>
	<select>
		<option value="1">1</option>
		<option value="2">2</option>
		<option value="3">3</option>
		<option value="4">4</option>
		<option value="5">5</option>
		<option value="6">6</option>
	</select>
	<button>提交</button>
	<script type="text/javascript" src="jquery-1.11.3.js"></script>
	<script type="text/javascript">
		$(function(){
			$('button').click(function(){
				var selCount=$('select').val();
				console.log(selCount);
				console.log(typeof selCount);
			})

		})
	</script>

</body>
</html>